Bug 2023876 (CVE-2021-42373) - CVE-2021-42373 busybox: NULL pointer dereference in man applet leads to denial of service when a section name is supplied but no page argument is given
Summary: CVE-2021-42373 busybox: NULL pointer dereference in man applet leads to denia...
Keywords:
Status: NEW
Alias: CVE-2021-42373
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On: 2023877
Blocks: 2023944
TreeView+ depends on / blocked
 
Reported: 2021-11-16 17:55 UTC by Guilherme de Almeida Suckevicz
Modified: 2024-03-08 14:50 UTC (History)
12 users (show)

Fixed In Version: BusyBox 1.34.0
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in BusyBox where it did not properly sanitize certain page arguments, leading to a denial of service. The highest threat from this vulnerability is to system availability.
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Environment:
Last Closed:
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Description Guilherme de Almeida Suckevicz 2021-11-16 17:55:07 UTC 
A NULL pointer dereference in Busybox's man applet leads to denial of service when a section name is supplied but no page argument is given.

Reference:
https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/
Comment 1 Guilherme de Almeida Suckevicz 2021-11-16 17:55:24 UTC 
Created busybox tracking bugs for this issue:

Affects: fedora-all [bug 2023877]
Comment 6 huntemall.dev@ 2023-09-07 03:22:52 UTC 
This bug has new version update for 2023. As tested in the wild. 
Last 2monthsback Red Hat Bugzilla  2023-07-07 08:28:14 UTC
Assignee: security-response-team → nobody
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